Components of the Universe

Front

What is Luminosity?

Back

Luminosity is the total amount of energy emitted by a star per unit of time, often referred to as its brightness.

Front

What is a Nebula?

Back

A Nebula is a giant cloud of dust and gas in space, often serving as a nursery for new stars.

Front

True or False: White Dwarfs are new stars.

Back

False. White Dwarfs are the remnants of stars that have exhausted their nuclear fuel.

Front

What does a Full Moon signify?

Back

A Full Moon occurs when the Moon is fully illuminated by the Sun, marking the midpoint of the lunar cycle.

Front

What is the significance of a New Moon?

Back

A New Moon occurs when the Moon is between the Earth and the Sun, making it invisible from Earth.

Front

What is the role of a star's temperature in its lifecycle?

Back

A star's temperature affects its color, brightness, and stage in the stellar lifecycle.

Front

What is a star's lifecycle?

Back

The lifecycle of a star includes stages such as nebula, main sequence, red giant, and white dwarf.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates energy through nuclear fusion.

Front

What is a supernova?

Back

A supernova is a powerful explosion that occurs at the end of a star's lifecycle, often resulting in the formation of a neutron star or black hole.

Front

What is a black hole?

Back

A black hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.